No ON-OFF maps in supragranular layers of ferret visual cortex.
No ON-OFF maps in supragranular layers of ferret visual cortex.
复制标题
雪貂视觉皮层的颗粒上层没有开关图。
DOI：
10.1152/jn.2002.88.4.2163
复制
发表时间：
2002
影响因子：
2.5
通讯作者：
Gödecke,Imke
中科院分区：
文献类型：
--
作者：
Chapman,Barbara;Gödecke,Imke
Primary visual cortex contains functional maps of a number of stimulus properties including ocular dominance, orientation, direction, color, and spatial frequency. These maps must be organized with respect to each other and to a single continuous retinotopic map of visual space such that each stimulus parameter is represented at each point in space. In the ferret, geniculo-cortical inputs to cortical layer IV are segregated intoon- andoff-center patches, suggesting the possibility that there might be an additional cortical map in this species. We have used optical imaging of intrinsic signals to search foron-offmaps in ferret visual cortical cells and have found none. This suggests that the high degree ofon-offsegregation seen subcortically in the ferret may play a role in the development of visual cortical receptive fields rather than in adult cortical function.
